Bellows seal Gate Valve (OS&Y, Flanged type)

Design and Struction

• Zero emissions, fire safe construction
• Helium leak testing
• Guaranteed long bellows life with qualification test, cycle life Min.
3,000cycles depending on working conditions
• Low emissions secondary sealing
→ Graphite gland packing
→ Backseat in open position
• Full thickness connect welding
• Welded or bolted bonnet type
• Seat and wedge faces stellite faced

Exploded View

• API 602, ASME B16.34, MSS-SP-117, BS 5352
• Testing acoording to API 598, ASME B16.34
• Outside Screw and Yoke(OS & Y)
• Self aligning two piece packing gland
• Body Bonnet Weld to ASME IX
• Bolted or welded bonnet joint.
• Grease nipple for stem
• Socket Weld Ends to ASME B16.11
• Screwed Ends (NPT) to ASME B1.20.1
• Butt Welding Ends to ASME B16.25

Bellows seal Gate Valve ( Reducing & Full Port / 800#, 1500# )

• CLASS : 800, 1500
• SIZE : 1/2″ ~ 2″
• PORT : Reduce & Full
• END : NPT, S.W, B.W


CLASS 800

CLASS 1500

CLASS 800

CLASS 1500


• API 602, ASME B16.34, MSS-SP-117, BS 5352
• Testing acoording to API 598, ASME B16.34
• Outside Screw and Yoke(OS & Y)
• Self aligning two piece packing gland
• Body Bonnet Weld to ASME IX
• Integral body flanges
• Bolted or welded bonnet joint.
• Grease nipple for stem
• Face to face according to ASME B16.10
• Flanges according to ASME B16.5

Bellows seal Gate Valve ( Reducing Port / 150# ~ 1500# )

• CLASS : 150, 300, 600, 1500
• SIZE : 1/2″ ~ 2″
• PORT : Reduce
• END : Integral Flange F.F. , R.F., RTJ


CLASS 150

CLASS 300

CLASS 600

CLASS 900 / 1500


• API 600, ASME B16.34, MSS-SP-117,
• Testing acoording to API 598, ASME B16.34
• Outside Screw and Yoke(OS & Y)
• Self aligning two piece packing gland
• Body Bonnet Weld to ASME IX
• Integral body flanges
• Bolted or welded bonnet joint.
• Grease nipple for stem
• Face to face according to ASME B16.10
• Flanges according to ASME B16.5
• Butt Welding Ends to ASME B16.25

Bellows seal Gate Valve ( Full Port / 150# ~ 1500# )

• CLASS : 150, 300, 600, 1500
• SIZE : 2″ ~ 10″
• PORT : Full
• END : Integral Flange & Welded Flange, B.W


CLASS 150

CLASS 300

CLASS 600

CLASS 900 / 1500


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